Portree, D. S. F. (1998). NASA's origins and the dawn of the space age. NASA History Division, Office of Policy and Plans, NASA Headquarteres.
Chicago Style (17th ed.) CitationPortree, David S. F. NASA's Origins and the Dawn of the Space Age. Washington, DC: NASA History Division, Office of Policy and Plans, NASA Headquarteres, 1998.
MLA (9th ed.) CitationPortree, David S. F. NASA's Origins and the Dawn of the Space Age. NASA History Division, Office of Policy and Plans, NASA Headquarteres, 1998.
Warning: These citations may not always be 100% accurate.